Avaya Technology LLC
Avaya TechActive Patents
0
Total Holdings
13
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4582959B1 | Message waiting alerting method | Expired / Lapsed | 1984-06-05 | 2000-02-01 | 0 | Details |
| US4850036A | Radio communication system using synchronous frequency hopp… | Expired / Lapsed | 1987-08-21 | 1989-07-18 | 20 | Details |
| US4837798A | Communication system having unified messaging | Expired / Lapsed | 1986-06-02 | 1989-06-06 | 39 | Details |
| US4755629A | Local area network cable | Expired / Lapsed | 1986-09-24 | 1988-07-05 | 20 | Details |
| US4747124A | PBX telephone call control system | Expired / Lapsed | 1985-05-06 | 1988-05-24 | 16 | Details |
| US4731785A | Combined circuit switch and packet switching system | Expired / Lapsed | 1986-06-20 | 1988-03-15 | 33 | Details |
| US4680786A | Communication system for providing business communication f… | Expired / Lapsed | 1985-10-01 | 1987-07-14 | 22 | Details |
| US4672658A | Spread spectrum wireless PBX | Expired / Lapsed | 1986-10-23 | 1987-06-09 | 26 | Details |
| US4646346A | Integrated message service system | Expired / Lapsed | 1985-01-22 | 1987-02-24 | 21 | Details |
| US4612416A | Integrated message service system | Expired / Lapsed | 1985-01-22 | 1986-09-16 | 22 | Details |
| US4602129A | Electronic audio communications system with versatile messa… | Expired / Lapsed | 1982-09-29 | 1986-07-22 | 18 | Details |
| US4451705A | Call completion circuit and method | Expired / Lapsed | 1982-05-28 | 1984-05-29 | 13 | Details |
| US4436962A | Call coverage arrangement | Expired / Lapsed | 1982-03-30 | 1984-03-13 | 40 | Details |